| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Willemoesia forceps Milne-Edwards, 1880 |
Western Central Pacific and Atlantic Ocean | 7.31 | |
| Willemoesia inornata Faxon, 1893 |
Eastern Pacific | ||
| Willemoesia leptodactyla (Thomson, 1873) |
Worldwide | 6.82 | |
| Willemoesia pacifica Sund, 1920 |
Indo-Pacific | 4.63 |